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sellWeak cluster of 510b5-1 plan

Walter C Rakowich sold $94k of IRM

director at IRON MOUNTAIN INC. 757 shares at an average of $124.45, traded May 20, 2026, filed May 21, 2026.

Warning score
30
Value
$94k
757 shares
Holdings after
1,135
-40% from before
From 52-week low
+61%
low $77.09, close $123.99
From 52-week high
-5%
high $130.15, as of May 20, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $94k at market
    +10
  • Share of holdings sold
    Sold 40% of holdings
    +10
  • Cluster
    5 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

IRMOct 9, 2026 · close 114.51
Since filing May 21, 2026: -8.7%SPY +5.3% · excess -14.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001020569-26-000059, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 20, 2026SOpen-market sale
Common Stock, par value $.01 per share10b5-1
-757$124.45$94k1,135May 21, 2026

Related signals

Other insiders at IRON MOUNTAIN INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
43Moderate
IRMsell 210b5-1
IRON MOUNTAIN INC
William L Meaney
President and CEO
$4.2M
38,474 shares
-100%
22Weak
IRMsell 210b5-1
IRON MOUNTAIN INC
Greg W McIntosh
EVP, Chief Commercial Officer
$554k
5,000 shares
-7%
50Moderate
IRMsell 310b5-1
IRON MOUNTAIN INC
William L Meaney
President and CEO
$4.4M
38,474 shares
-100%
31Weak
IRMsell 310b5-1
IRON MOUNTAIN INC
Mark Kidd
EVP, GM Data Centers & ALM
$694k
6,000 shares
-6%
29Weak
IRMsell 310b5-1
IRON MOUNTAIN INC
Greg W McIntosh
EVP, Chief Commercial Officer
$578k
5,000 shares
-6%
50Moderate
IRMsell 310b5-1
IRON MOUNTAIN INC
William L Meaney
President and CEO
$4.7M
38,474 shares
-100%
31Weak
IRMsell 310b5-1
IRON MOUNTAIN INC
Mark Kidd
EVP, GM Data Centers & ALM
$736k
6,000 shares
-6%
25Weak
IRMsell 310b5-1
IRON MOUNTAIN INC
Greg W McIntosh
EVP, Chief Commercial Officer
$1.5M
11,839 shares
-14%
43Moderate
IRMsell 210b5-1
IRON MOUNTAIN INC
William L Meaney
President and CEO
$4.7M
38,474 shares
-100%
25Weak
IRMsell 210b5-1
IRON MOUNTAIN INC
Mark Kidd
EVP, GM Data Centers & ALM
$754k
6,000 shares
-5%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Walter C Rakowich sold $94k of IRM | InsiderTell